The nine states the U.S. Census Bureau designates as the Northeast region are Connecticut, Maine, Massachusetts, New Hampshire, New York, New Jersey, Pennsylvania, Rhode Island and Vermont. The states of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont are considered part of New England, while New Jersey, New York and Pennsylvania are Mid-Atlantic states.
The Library of Congress also considers the states of Delaware, Maryland, Washington, D.C., Illinois, Indiana, Michigan, Ohio and Wisconsin part of the Northeast, based on a definition of states east of the Mississippi River and north of the Ohio and Potomac rivers. The U.S. Fish and Wildlife Service also considers Virginia and West Virginia part of the Northeast. Native American tribes that the government officially recognizes as residents of the Northeast include the Mashantucket Pequot Tribe, Mohegan Indian Tribe, Aroostook Band of Micmac Indians, Houlton Band of Maliseet Indians, Passamaquoddy Tribe, Penobscot Tribe, Cayuga Nation, Algonquian and Iroquois. Mount Washington in New Hampshire is the tallest mountain in the Northeast, rising to a height of 6,288 feet. The most populous state in the Northeast is New York, while the smallest is Vermont. The state with the smallest area is Rhode Island, and the state with the largest area is New York.